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add overloads of lazyAssign to detect common aliasing issue with

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transpose and adjoint
This commit is contained in:
Gael Guennebaud
2009-08-15 22:19:29 +02:00
parent a3e6047c25
commit 239ada95b7
5 changed files with 122 additions and 3 deletions
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14
test/adjoint.cpp
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@@ -21,7 +21,7 @@
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#define EIGEN_NO_ASSERTION_CHECKING
#include "main.h"
template<typename MatrixType> void adjoint(const MatrixType& m)
@@ -110,7 +110,6 @@ template<typename MatrixType> void adjoint(const MatrixType& m)
m3.transposeInPlace();
VERIFY_IS_APPROX(m3,m1.conjugate());
}
void test_adjoint()
@@ -125,5 +124,16 @@ void test_adjoint()
}
// test a large matrix only once
CALL_SUBTEST( adjoint(Matrix<float, 100, 100>()) );
{
MatrixXcf a(10,10), b(10,10);
VERIFY_RAISES_ASSERT(a = a.transpose());
VERIFY_RAISES_ASSERT(a = a.transpose() + b);
VERIFY_RAISES_ASSERT(a = b + a.transpose());
VERIFY_RAISES_ASSERT(a = a.conjugate().transpose());
VERIFY_RAISES_ASSERT(a = a.adjoint());
VERIFY_RAISES_ASSERT(a = a.adjoint() + b);
VERIFY_RAISES_ASSERT(a = b + a.adjoint());
}
}